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Cheap flights from Phoenix Sky Harbor Intl Airport to Denver from £51

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Denver Intl are usually found in February or January, booked 78 days in advance, depart on a Thursday or Tuesday and return on a Monday

Cheap flight deals from Sky Harbor Intl to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 November 2025.

Round-trip from

£60

One-way from

£51

Popular in

June

Cheapest in

February

Average price

£150

Good round-trip deal

£167 or less

Good one-way deal

£122 or less
Frontier
  • Frontier
  • 23/12-25/12
  • Nonstop
  • 4h 01m total
  • Phoenix to Denver
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Southwest
  • Southwest
  • 17/1
  • 1 total stop
  • 3h 50m total
  • Phoenix to Denver
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Highest demand for flights based on searches. 12% potential increase in price (£13 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Denver Intl.
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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Denver Intl.
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Find flight deals from Sky Harbor Intl to Denver

Enter your travel dates to find the best prices.

Cheapest flights from Sky Harbor Intl to Denver
Explore the most affordable flight options available from Sky Harbor Intl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Tue 23/1207:00PHX - DEN
Nonstop1h 55mFrontier
Thu 25/1206:15DEN - PHX
Nonstop2h 06mFrontier
Deal found 25/11£60
Wed 17/1207:00PHX - DEN
Nonstop1h 55mFrontier
Mon 22/1219:23DEN - PHX
Nonstop2h 03mFrontier
Deal found 25/11£61
Thu 18/1209:31PHX - DEN
Nonstop1h 55mFrontier
Wed 24/1222:29DEN - PHX
Nonstop2h 00mFrontier
Deal found 25/11£69
Mon 22/1222:31PHX - DEN
Nonstop1h 54mFrontier
Wed 24/1206:15DEN - PHX
Nonstop2h 06mFrontier
Deal found 25/11£70
Wed 17/1207:00PHX - DEN
Nonstop1h 55mFrontier
Sat 20/1206:15DEN - PHX
Nonstop2h 06mFrontier
Deal found 25/11£73
Thu 18/1209:31PHX - DEN
Nonstop1h 55mFrontier
Mon 22/1219:23DEN - PHX
Nonstop2h 03mFrontier
Deal found 25/11£79
Sat 20/1222:31PHX - DEN
Nonstop1h 54mFrontier
Wed 24/1222:29DEN - PHX
Nonstop2h 00mFrontier
Deal found 25/11£82
Wed 17/1207:00PHX - DEN
Nonstop1h 55mFrontier
Fri 19/1206:15DEN - PHX
Nonstop2h 06mFrontier
Deal found 25/11£86
Mon 22/1222:26PHX - DEN
1 stop5h 32mFrontier
Tue 23/1206:15DEN - PHX
Nonstop2h 06mFrontier
Deal found 25/11£87
Wed 17/1216:32PHX - DEN
Nonstop1h 56mFrontier
Sun 21/1222:29DEN - PHX
Nonstop2h 00mFrontier
Deal found 25/11£89
Sat 20/1222:46PHX - DEN
1 stop5h 12mFrontier
Tue 23/1206:15DEN - PHX
Nonstop2h 06mFrontier
Deal found 25/11£92

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sky Harbor Intl to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 November 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Denver that are best for you.

Fly from

Sky Harbor Intl

Fly to

Denver

Route

Depart

Return

Price

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 10/1

15:45-23:58

1 stop8h 13m

Denver Intl

Sun 11/1

12:34-19:25

1 stop6h 51m

£105

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 22/1

08:24-18:41

1 stop10h 17m

Denver Intl

Sun 25/1

08:04-15:03

1 stop6h 59m

£108

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 9/1

20:07-11:38

1 stop15h 31m

Denver Intl

Sun 11/1

12:34-19:25

1 stop6h 51m

£108

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 23/1

11:41-18:41

1 stop7h 00m

Denver Intl

Sun 25/1

12:34-19:25

1 stop6h 51m

£108

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 9/1

08:24-18:41

1 stop10h 17m

Denver Intl

Fri 16/1

19:39-14:00

1 stop18h 21m

£128

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 17/12

07:00-11:09

1 stop4h 09m

Denver Intl

Wed 24/12

05:30-10:05

1 stop4h 35m

£134

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 17/12

07:00-11:09

1 stop4h 09m

Denver Intl

Thu 25/12

18:27-23:55

1 stop5h 28m

£134

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 4/3

12:28-17:48

1 stop5h 20m

£52

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 6/1

16:41-23:59

1 stop7h 18m

£52

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 8/1

11:41-18:41

1 stop7h 00m

£54

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 19 results
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Best time to book a flight from Sky Harbor Intl to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Sky Harbor Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Denver

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Denver?

Use this chart to determine the optimal time to book a return flight from Sky Harbor Intl to Denver. Price data was last updated on 21 November 2025.

To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to Denver, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Denver?

Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Denver (average of £42). Flying from Phoenix Sky Harbor Intl Airport to Denver in July is currently the most expensive (average of £77). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to DEN?

Find hourly flight availability from Sky Harbor Intl to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 November 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 77% on flights from Phoenix Sky Harbor Intl Airport to Denver by exploring options for tickets in the morning.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Denver from Phoenix Sky Harbor Intl?

    For a flight from Phoenix Sky Harbor Intl to Denver, you will be flying into Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city. Denver Intl is the only Denver airport and it handles 27 inbound flights from Phoenix Sky Harbor Intl per day. 0 airlines have flights to Denver Intl from Phoenix Sky Harbor Intl on a regular basis.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Denver?

    There are many flights that can get you from Phoenix Sky Harbor Intl Airport to Denver in 8h 13m. Fly via Alaska Airlines to get the fastest option. The distance between Phoenix Sky Harbor Intl Airport and Denver is about 601 mi.

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Denver?

    Consider Envoy Air (92%), Air Canada (85%) or United Airlines (80%) when booking your flight. These represent the most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to Denver.

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Denver?

    While on average a flight from Phoenix Sky Harbor Intl Airport to Denver is generally £153, our data shows the cheapest flight currently is £47. When looking at the most popular route, (Phoenix Sky Harbor Intl - Denver Intl), you can expect to pay £71 for that flight.

  • Can I find deals for flights from Sky Harbor Intl to Denver that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Denver flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Denver.

  • Can I find deals for business class flights from Sky Harbor Intl to Denver?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Denver?

    Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Denver (average of £42). Flying from Phoenix Sky Harbor Intl Airport to Denver in July is currently the most expensive (average of £77). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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When you search for this flight from Sky Harbor Intl to Denver, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Sky Harbor Intl to Denver?

Millions of users choose and trust Cheapflights to book the best flight deals from Sky Harbor Intl to Denver for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Sky Harbor Intl to Denver with no change fees?

Yes, we can. To see specific flights from Sky Harbor Intl to Denver with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Sky Harbor Intl to Denver become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Denver from Sky Harbor Intl today and book when prices fit your budget.

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